:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --container: 1000px;
  --section-pad: 112px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Studio palette: ink + paper + copper accent */
  --paper: #f4f3ef;
  --surface: #ffffff;
  --ink: #101114;
  --ink-deep: #0a0b0d;
  --ink-soft: #191b1f;

  --text: #14161a;
  --text-2: #565a63;
  --text-3: #8b909a;
  --text-inv: #f4f3ef;
  --text-inv-2: #a9adb6;

  --line: rgba(16, 17, 20, 0.1);
  --line-strong: rgba(16, 17, 20, 0.18);
  --line-inv: rgba(255, 255, 255, 0.12);

  --accent: #d4693a;
  --accent-soft: #e2884f;
  --accent-dim: rgba(212, 105, 58, 0.12);
  --success: #46a46f;

  --shadow-sm: 0 2px 8px rgba(16, 17, 20, 0.06);
  --shadow-md: 0 12px 32px rgba(16, 17, 20, 0.08);
  --shadow-lg: 0 24px 60px rgba(16, 17, 20, 0.12);

  --dur-fast: 150ms;
  --dur-base: 300ms;
  --dur-slow: 500ms;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-sm); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
}

.section-label-inv { color: var(--accent-soft); }
.section-label-inv::after { background: linear-gradient(90deg, var(--accent-soft) 0%, transparent 100%); }

.section-title {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 48px;
}

/* ═══ SCROLL PROGRESS ═══ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  z-index: 10001;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ═══ NAVBAR ═══ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9995;
  padding: 0 24px;
  color: var(--text-inv);
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(244, 243, 239, 0.9);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  color: var(--text);
  box-shadow: 0 1px 0 var(--line), var(--shadow-sm);
}

.navbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.navbar-logo {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  font-family: var(--font-mono);
  color: var(--accent);
  padding: 6px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: opacity var(--dur-base);
}

.navbar-logo:hover { opacity: 0.75; }

.navbar-links { display: flex; gap: 4px; }

.nav-link {
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  opacity: 0.72;
  border-radius: var(--radius-full);
  transition: opacity var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.nav-link:hover { opacity: 1; background: rgba(255, 255, 255, 0.08); }
.navbar.scrolled .nav-link:hover { background: rgba(16, 17, 20, 0.06); }

.nav-link.active { opacity: 1; }
.navbar:not(.scrolled) .nav-link.active { background: rgba(255, 255, 255, 0.1); }
.navbar.scrolled .nav-link.active { background: var(--accent-dim); color: var(--accent); }

.navbar-right { display: flex; align-items: center; }

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast);
}

.navbar-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.navbar.scrolled .navbar-toggle:hover { background: rgba(16, 17, 20, 0.06); }

.navbar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--dur-base) var(--ease-out);
}

.navbar-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* ═══ HERO ═══ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: left;
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--text-inv);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, black 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, black 25%, transparent 75%);
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  top: -220px;
  right: -180px;
  background: radial-gradient(circle, rgba(212, 105, 58, 0.22) 0%, transparent 65%);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--accent-soft);
  margin-bottom: 26px;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-title {
  font-size: clamp(3.2rem, 9vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.02;
  color: var(--text-inv);
  margin-bottom: 22px;
  animation: fadeUp 0.9s var(--ease-out) 0.35s both;
}

.hero-title-accent { color: var(--accent); }

.hero-typing {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  font-weight: 500;
  color: var(--text-inv-2);
  min-height: 1.6em;
  margin-bottom: 18px;
  animation: fadeUp 0.9s var(--ease-out) 0.55s both;
}

.typing-prefix { color: var(--accent); font-weight: 700; }

.typing-cursor {
  color: var(--accent);
  animation: cursorBlink 1s steps(2) infinite;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-inv-2);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.65;
  animation: fadeUp 0.9s var(--ease-out) 0.75s both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.9s var(--ease-out) 0.95s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}

.btn > span { position: relative; z-index: 1; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212, 105, 58, 0.35);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-inv);
  border-color: var(--line-inv);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  animation: fadeUp 1s var(--ease-out) 1.6s both;
}

.scroll-mouse {
  width: 22px;
  height: 34px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 11px;
  position: relative;
}

.scroll-dot {
  position: absolute;
  width: 3px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  left: 50%;
  top: 6px;
  transform: translateX(-50%);
  animation: scrollBounce 2s var(--ease-out) infinite;
}

.hero-scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.4);
}

/* ═══ REVEAL ═══ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ═══ ABOUT ═══ */

.about-section { background: var(--paper); }

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 18px;
  max-width: 560px;
}

.about-text:last-child { margin-bottom: 0; }

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.fact-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.fact-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ═══ PROJECTS ═══ */

.work-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  display: block;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: inherit;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.project-card:hover::before { transform: scaleX(1); }

.project-card-content {
  position: relative;
  z-index: 1;
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.project-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(70, 164, 111, 0.1);
  color: var(--success);
  border: 1px solid rgba(70, 164, 111, 0.2);
}

.tag-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}

.project-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.project-name {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 10px;
  transition: color var(--dur-base);
}

.project-card:hover .project-name { color: var(--accent); }

.project-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 22px;
}

.project-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  margin-top: auto;
}

.project-tech {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--text-2);
  border: 1px solid var(--line);
  transition: border-color var(--dur-base), color var(--dur-base);
}

.project-card:hover .project-tech {
  border-color: rgba(212, 105, 58, 0.3);
  color: var(--text);
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--dur-base) var(--ease-out);
}

.project-card:hover .project-link { gap: 10px; }

/* ═══ CONTACT ═══ */

.contact-section {
  position: relative;
  background: var(--ink);
  color: var(--text-inv);
  overflow: hidden;
}

.contact-bg-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 70%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-heading {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-inv);
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1.02rem;
  color: var(--text-inv-2);
  margin-bottom: 48px;
  max-width: 440px;
  line-height: 1.7;
}

.contact-cards {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 680px;
  justify-content: center;
  margin-bottom: 56px;
}

.contact-card {
  position: relative;
  flex: 1;
  max-width: 320px;
  border: 1px solid var(--line-inv);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  padding: 36px 30px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 105, 58, 0.45);
  background: rgba(255, 255, 255, 0.06);
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
  color: var(--accent-soft);
  padding: 12px;
  background: rgba(212, 105, 58, 0.12);
  border: 1px solid rgba(212, 105, 58, 0.25);
  border-radius: var(--radius-md);
  transition: all var(--dur-base) var(--ease-out);
}

.contact-card:hover .contact-card-icon {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.contact-card-icon svg { width: 100%; height: 100%; }

.contact-card-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-inv-2);
  margin-bottom: 8px;
}

.contact-card-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-inv);
  margin-bottom: 22px;
  word-break: break-all;
  font-family: var(--font-mono);
}

.contact-card-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}

.contact-card-copy:hover {
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(212, 105, 58, 0.3);
}

.contact-card-copy:active { transform: scale(0.97); }

.contact-card-copy svg { width: 16px; height: 16px; }

.copy-default { display: inline-flex; align-items: center; gap: 6px; }
.copy-success { display: none; align-items: center; gap: 6px; }

.contact-card-copy.copied .copy-default,
.contact-card-action-btn.copied .copy-default { display: none; }

.contact-card-copy.copied .copy-success { display: inline-flex; }

.contact-card-copy.copied {
  background: rgba(70, 164, 111, 0.15);
  color: #7fd6a3;
  box-shadow: none;
}

.contact-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-inv-2);
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
  transition: color var(--dur-base) var(--ease-out), gap var(--dur-base) var(--ease-out);
  border-radius: var(--radius-sm);
  font-family: var(--font);
}

.contact-card-action:hover { color: var(--accent-soft); gap: 9px; }

.contact-card-action svg { width: 14px; height: 14px; }

.contact-card-action-btn.copied .copy-success { display: inline-flex; color: #7fd6a3; }

/* ═══ SOCIALS ROW ═══ */

.socials {
  width: 100%;
  max-width: 760px;
}

.socials-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-inv-2);
  margin-bottom: 18px;
}

.socials-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border: 1px solid var(--line-inv);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-inv-2);
  transition: all var(--dur-base) var(--ease-out);
}

.social-chip img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.social-chip:hover {
  border-color: rgba(212, 105, 58, 0.5);
  background: rgba(212, 105, 58, 0.1);
  color: var(--text-inv);
  transform: translateY(-2px);
}

/* ═══ FOOTER ═══ */

.footer {
  padding: 40px 0;
  background: var(--ink-deep);
  color: var(--text-inv-2);
  border-top: 1px solid var(--line-inv);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid rgba(212, 105, 58, 0.4);
  border-radius: var(--radius-sm);
}

.footer-name {
  font-weight: 600;
  color: var(--text-inv);
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  opacity: 0.7;
  transition: opacity var(--dur-base), color var(--dur-base);
}

.footer-links a:hover { opacity: 1; color: var(--accent-soft); }

.footer-copy { opacity: 0.6; }

/* ═══ BACK TO TOP ═══ */

.back-to-top {
  position: fixed;
  bottom: 92px;
  right: 24px;
  z-index: 9996;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.85);
  transition: all var(--dur-base) var(--ease-out);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px) scale(1.05);
}

.back-to-top svg { width: 18px; height: 18px; }

/* ═══ SOCIAL DOCK ═══ */

.social-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9997;
  display: flex;
  justify-content: center;
  padding: 12px 20px 16px;
  background: linear-gradient(180deg, transparent, rgba(10, 11, 13, 0.85));
  pointer-events: none;
}

.social-dock-inner {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  pointer-events: auto;
  padding: 6px 10px;
  background: rgba(16, 17, 20, 0.92);
  border: 1px solid var(--line-inv);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dock-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  transition: all 0.25s var(--ease-out);
  position: relative;
}

.dock-item img {
  width: 21px;
  height: 21px;
  object-fit: contain;
  flex-shrink: 0;
  filter: grayscale(1) opacity(0.75);
  transition: filter 0.25s var(--ease-out);
}

.dock-item:hover {
  background: rgba(212, 105, 58, 0.15);
  transform: translateY(-3px);
}

.dock-item:hover img { filter: grayscale(0) opacity(1); }

.dock-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.dock-item::after {
  content: attr(aria-label);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 6px 10px;
  font-size: 0.62rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-inv);
  background: var(--ink-soft);
  border: 1px solid var(--line-inv);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.2s var(--ease-out);
  box-shadow: var(--shadow-md);
  z-index: 10000;
}

.dock-item:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ═══ SCROLLBAR ═══ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ═══ KEYFRAMES ═══ */

@keyframes fadeUp {
  0%   { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes scrollBounce {
  0%   { transform: translateX(-50%) translateY(0); opacity: 1; }
  75%  { transform: translateX(-50%) translateY(14px); opacity: 0.15; }
  100% { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

/* ═══ RESPONSIVE ═══ */

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 80px; }

  .hero { padding: 110px 0 90px; min-height: 92vh; }
  .hero-scroll-indicator { display: none; }
  .hero-glow { width: 420px; height: 420px; top: -140px; right: -140px; }

  .navbar.scrolled { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .social-dock-inner { backdrop-filter: none; -webkit-backdrop-filter: none; }

  .contact-cards { flex-direction: column; align-items: center; }
  .contact-card { max-width: 380px; width: 100%; }

  .footer-content { flex-direction: column; text-align: center; }
}

@media (max-width: 760px) {
  .navbar-toggle { display: flex; }

  .navbar-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(16, 17, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px 24px 16px;
    transform: translateY(-12px);
    opacity: 0;
    transition: all var(--dur-base) var(--ease-out);
    pointer-events: none;
    border-bottom: 1px solid var(--line-inv);
    color: var(--text-inv);
  }

  .navbar-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .navbar-links .nav-link {
    padding: 13px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--line-inv);
    opacity: 0.85;
    background: none;
  }

  .navbar-links .nav-link:last-child { border-bottom: none; }
  .navbar-links .nav-link:hover,
  .navbar-links .nav-link.active { background: none; color: var(--accent-soft); opacity: 1; }
}

@media (max-width: 480px) {
  :root { --section-pad: 64px; }

  .navbar-inner { height: 60px; }
  .navbar-links { top: 60px; }

  .hero { padding: 96px 0 72px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }

  .project-card-content { padding: 24px 20px 22px; }
  .contact-card { padding: 30px 22px 24px; }

  .social-chip { flex: 1 1 44%; justify-content: center; }

  .footer-links { gap: 16px; flex-wrap: wrap; justify-content: center; }

  .back-to-top { bottom: 84px; right: 16px; width: 40px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-grid, .hero-glow, .contact-bg-grid { display: none; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .scroll-progress, .hero-grid, .hero-glow, .hero-scroll-indicator,
  .contact-bg-grid, .social-dock, .back-to-top { display: none !important; }
  body { color: #000; background: #fff !important; }
  .hero, .contact-section, .footer { background: #fff !important; color: #000 !important; }
  .project-card { border-color: #ddd !important; break-inside: avoid; }
}